Hip replacement, Knee replacement, Unicompartmental knee replacement, Lower extremity reconstruction, Hip replacement r...evision, Knee replacement revision, Knee fracture surgery, Acetabular repair, Partial knee replacement, Robot-assisted partial knee resurfacing, Direct anterior approach hip replacement, Hip fracture surgery, Arthritis, Hip dysplasia, Hip arthritis, Periprosthetic fracture, Knee arthritis, Acetabular fracture, Prosthetic joint infection, Failed total knee replacement, Infected total knee replacement, Infected total hip replacement, Failed total hip replacement